Lexmark Feed MPF Lift 40X7598 is a replacement service part for the multipurpose feeder in compatible Lexmark printers. The service parts catalog identifies it as an MPF feeder lift plate with cable, a component of the paper tray assembly.
The part is listed for use across compatible models in the Lexmark MX811 and MX812 ranges, along with other models shown in the product listing. Its purpose is to restore the feeder lift plate assembly when that component needs service.
The product listing names the part as the lift plate with cable, matching the service catalog description of 40X7598.